# -*- coding: utf-8 -*-
"""
Created on Thu Oct  6 23:22:29 2022

@author: wulong
"""
import numpy as np

def tras_sq_f(sequence, i, pre_hroz):
    
    seq_1 = sequence[i:i+pre_hroz[0],:]
    seq_2 = sequence[i:i+pre_hroz[1],:]
    seq_3 = sequence[i:i+pre_hroz[2],:]
    
    return seq_1, seq_2, seq_3
